2053_Spring11_Exam3

2053_Spring11_Exam3 - 77777 77777 Instructor(s):...

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Unformatted text preview: 77777 77777 Instructor(s): Rinzler/Qiu PHYSICS DEPARTMENT PHY2053 Final Exam April 23, 2011 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized aid on this examination. YOUR TEST NUMBER IS THE 5-DIGIT NUMBER AT THE TOP OF EACH PAGE. (1) Code your test number on your answer sheet (use lines 7680 on the answer sheet for the 5-digit number) . Code your name on your answer sheet. DARKEN CIRCLES COMPLETELY . Code your UFID number on your answer sheet. (2) Print your name on this sheet and sign it also. (3) Do all scratch work anywhere on this exam that you like. Circle your answers on the test form. At the end of the test, this exam printout is to be turned in. No credit will be given without both answer sheet and printout. (4) Blacken the circle of your intended answer completely, using a #2 pencil or blue or black ink . Do not make any stray marks or some answers may be counted as incorrect. (5) The answers are rounded off. Choose the closest to exact. There is no penalty for guessing. If you believe that no listed answer is correct, leave the form blank. (6) Hand in the answer sheet separately. Use g = 9 . 80 m/s 2 77777 77777 1. A dolphin at Seaworld is to jump through a hoop held in the air by a trainer. The dolphin leaves the water at an angle of relative to the water and travels a horizontal distance of 5.0 m while in the air. If the dolphin reaches a maximum height of 10 m above the water, at what speed did the dolphin leave the water? (1) 14.1 m/s (2) 10.1 m/s (3) 8.0 m/s (4) 12.4 m/s (5) need to know 2. The system shown in the figure is in equilibrium ( i.e., the sum of all forces acting at the origin are zero). If the magnitude of the tension T 3 is twice the magnitude of the tension T 1 , what is the angle 2 ?...
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2053_Spring11_Exam3 - 77777 77777 Instructor(s):...

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